Tepper, J E Reflections in rectosigmoid: retro-peritoneal vs. intra-peritoneal. [electronic resource] - International journal of radiation oncology, biology, physics May 1988 - 1043-6 p. digital Publication Type: Journal Article; Review ISSN: 0360-3016 Standard No.: 10.1016/0360-3016(88)90030-2 doi Subjects--Topical Terms: HumansLymphatic MetastasisNeoplasm Recurrence, Local--etiologyPeritoneum--pathologyRectal Neoplasms--pathologySigmoid Neoplasms--pathology